Chemical Engineering - Process Control and Instrumentation
Exercise :: Process Control and Instrumentation - Section 7
| 1. |
Change of angle of refraction with composition comprises the working principle of a |
| A. |
polarimeter | | B. |
polarograph | | C. |
spectrometer | | D. |
refractrometer |
Answer: Option D
Explanation:
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| 2. |
Which of the following instruments is not used for measuring sub-zero (<0°) temperatures ? |
| A. |
Platinum resistance thermometer | | B. |
Mercury in glass thermometer | | C. |
Vapor pressure thermometer | | D. |
Radiation pyrometer |
Answer: Option D
Explanation:
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| 3. |
Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C ? |
| A. |
Optical pyrometer | | B. |
Radiation pyrometer | | C. |
Photoelectric pyrometer | | D. |
Thermocouples |
Answer: Option D
Explanation:
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| 4. |
Find the Laplace transform of the following input function shown in figure.
 |
Answer: Option A
Explanation:
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| 5. |
Flame photometry is used for the determination of compositional analysis of |
| A. |
solids | | B. |
alkali metals | | C. |
natural gas | | D. |
isotopes |
Answer: Option B
Explanation:
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